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-/**
- * \file
- * \brief Convenience class for SVG viewBox handling
- *//*
- * Authors:
- * Krzysztof KosiƄski <tweenk.pl@gmail.com>
- *
- * Copyright (C) 2013 Authors
- *
- * This library is free software; you can redistribute it and/or
- * modify it either under the terms of the GNU Lesser General Public
- * License version 2.1 as published by the Free Software Foundation
- * (the "LGPL") or, at your option, under the terms of the Mozilla
- * Public License Version 1.1 (the "MPL"). If you do not alter this
- * notice, a recipient may use your version of this file under either
- * the MPL or the LGPL.
- *
- * You should have received a copy of the LGPL along with this library
- * in the file COPYING-LGPL-2.1; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- * You should have received a copy of the MPL along with this library
- * in the file COPYING-MPL-1.1
- *
- * The contents of this file are subject to the Mozilla Public License
- * Version 1.1 (the "License"); you may not use this file except in
- * compliance with the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
- * OF ANY KIND, either express or implied. See the LGPL or the MPL for
- * the specific language governing rights and limitations.
- */
-
-#ifndef LIB2GEOM_SEEN_VIEWBOX_H
-#define LIB2GEOM_SEEN_VIEWBOX_H
-
-#include <2geom/affine.h>
-#include <2geom/rect.h>
-
-namespace Geom {
-
-/** Values for the <align> parameter of preserveAspectRatio.
- * See: http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute */
-enum Align {
- ALIGN_NONE,
- ALIGN_XMIN_YMIN,
- ALIGN_XMID_YMIN,
- ALIGN_XMAX_YMIN,
- ALIGN_XMIN_YMID,
- ALIGN_XMID_YMID,
- ALIGN_XMAX_YMID,
- ALIGN_XMIN_YMAX,
- ALIGN_XMID_YMAX,
- ALIGN_XMAX_YMAX
-};
-
-/** Values for the <meetOrSlice> parameter of preserveAspectRatio.
- * See: http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute */
-enum Expansion {
- EXPANSION_MEET,
- EXPANSION_SLICE
-};
-
-Point align_factors(Align align);
-
-class ViewBox {
- OptRect _box;
- Align _align;
- Expansion _expansion;
-
-public:
- explicit ViewBox(OptRect const &r = OptRect(), Align a = ALIGN_XMID_YMID, Expansion ex = EXPANSION_MEET)
- : _box(r)
- , _align(a)
- , _expansion(ex)
- {}
-
- void setBox(OptRect const &r) { _box = r; }
- void setAlign(Align a) { _align = a; }
- void setExpansion(Expansion ex) { _expansion = ex; }
- OptRect const &box() const { return _box; }
- Align align() const { return _align; }
- Expansion expansion() const { return _expansion; }
-
- /** Obtain transformation from the viewbox to the specified viewport. */
- Affine transformTo(Geom::Rect const &viewport) const;
-};
-
-} // namespace Geom
-
-#endif // !LIB2GEOM_SEEN_VIEWBOX_H
-
-/*
- Local Variables:
- mode:c++
- c-file-style:"stroustrup"
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
- indent-tabs-mode:nil
- fill-column:99
- End:
-*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :